<template>
  <view class="login-container">
    <uni-icons type="contact-filled" size="100" color="#AFAFAF"></uni-icons>
    <button type="primary" class="btn-login" open-type="getUserInfo" @getuserinfo="getUserInfo">一键登录</button>
    <view class="text">登录后尽享更多权益</view>
  </view>
</template>

<script>
  import {mapMutations,mapState} from 'vuex'
  export default {
    name:"my-login",
    data() {
      return {
        token:'Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1aWQiOjIzLCJpYXQiOjE1NjQ3MzAwNzksImV4cCI6MTAwMTU2NDczMDA3OH0.YPt-XeLnjV-_1ITaXGY2FhxmCe4NvXuRnRB8OMCfnPo'
      };
    },
    computed:{
      ...mapState('user',['redirectInfo'])
    },
    methods:{
      ...mapMutations('user',['updateUserInfo','updateToken','updateRedirectInfo']),
      getUserInfo(e){
        if (e.detail.errMsg === 'getUserInfo:fail auth deny') return uni.$showMsg('您取消了登录授权！')
        this.updateUserInfo(e.detail.userInfo)
        this.getToken(e.detail)
      },
      async getToken(info){
        const [err,res] = await uni.login().catch(err => err)
        if(err || res.errMsg !== 'login:ok') return uni.$showMsg('登录失败！')
        const query = {
          code: res.code,
          encryptedData: info.encryptedData,
          iv: info.iv,
          rawData: info.rawData,
          signature: info.signature
        }
        const {data:loginRes} = await uni.$http.post('/api/public/v1/users/wxlogin',query)
        uni.$showMsg('登录成功！')
        this.updateToken(this.token)
        this.navBack()
      },
      navBack(){
        if(this.redirectInfo && this.redirectInfo.openType === 'switchTab'){
          uni.switchTab({
            url:this.redirectInfo.from,
            complete: () => {
              this.updateRedirectInfo(null)
            }
          })
        }
      }
    }
  }
</script>

<style lang="scss">
.login-container{
  height: 750rpx;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  background-color: #f8f8f8;
  position: relative;
  overflow: hidden;
  &::after{
    content: '';
    display: block;
    width: 100%;
    height: 40px;
    border-radius: 100%;
    background-color: white;
    position: absolute;
    left: 0;
    bottom: 0;
    transform: translateY(50%);
  }
  .btn-login{
    width: 90%;
    background-color: #c00000;
    border-radius: 100px;
    margin: 15px 0;
  }
  .text{
    font-size: 12px;
    color: gray;
  }
}
</style>